code: def add_arguments(
      parser: argparse.ArgumentParser, contents: Type[PackedContents]
  ):
      parser.add_argument("--outpath", type=str, required=True)
      for key in contents.yaml_files:
          parser.add_argument(f"--{key}", type=str, default=None)
      for key in contents.files:
          parser.add_argument(f"--{key}", type=str, default=None)
      parser.add_argument(
          "--option", type=str, action="append", default=[]
      )
  
imports: import argparse
  from typing import Type
  from espnet2.main_funcs.pack_funcs import pack
label_desc: Use image node_id 1 for calling a global function with example usage: add_arguments(parser, contents) without return types